in three sentences Describe how viruses and bacteria affect the human body

Answer 1

Viruses invade host cells and hijack their machinery to replicate, often leading to cell damage or death, which can cause illnesses ranging from mild colds to severe diseases like COVID-19. Bacteria, while many are beneficial, can also produce toxins and induce inflammatory responses when pathogenic, leading to infections such as strep throat or urinary tract infections. The immune system responds to both viruses and bacteria, but the strategies for combating these entities differ significantly due to their distinct biological structures and replication methods.